Based on the distinctive bites visible on the Japanese specimen, cookie cutter sharks (Isistius brasiliensis) may feed on Longman’s beaked whales. Their large size makes them unlikely prey.
- Isistius brasiliensis (cookie cutter shark)
- Baird, R., P. Clapham, J. Christal, R. Connor, J. Mann, A. Read, R. Reeves, A. Samuels, P. Tyack, L. Weilgart, H. Whitehead, R. Wells, R. Wrangham. 2000. Cetacean Societies. Chicago: University of Chicago Press.